400 Series double-hung windows have two operating sash that move up and down allowing for ventilation on the top, bottom or both. The sash tilt in for easy cleaning from the inside of your home. Made of wood protected by a vinyl exterior, it's our best-selling double-hung window.

• Our best-selling double-hung
• Wood protected by vinyl exterior
• Durable and time-tested
• Standard sizes up to 3'10 1/8" wide and 7'8 7/8" high. Custom sizes available.